import java.io.IOException;
import java.io.PrintWriter;
import java.util.Date;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
@WebServlet("/Servlet1")
public class Servlet1 extends HttpServlet {
public void doGet(HttpServletRequest request,HttpServletResponse
response)
throws ServletException,IOException
{
HttpSession session=request.getSession(true);
Date createTime=new Date(session.getCreationTime());
Date lastAccessTime=new
Date(session.getLastAccessedTime());
String title="Welcome back to web application";
Integer visitCount=new Integer(0);
String visitCountKey=new String("visitCount");
String userIDKey=new String("userID");
String userID=new String("Deeks");
if(session.isNew()){
title="Welcome to web application";
session.setAttribute(userIDKey,userID);
}
else{
visitCount=(Integer)session.getAttribute(visitCountKey);
visitCount=visitCount+1;
userID=(String)session.getAttribute(userIDKey);
}
session.setAttribute(visitCountKey,visitCount);
response.setContentType("text/html");
PrintWriter out=response.getWriter();
String docType="\n";
out.println(docType+"\n"+
""+title+"\n+"
+ "\n"+
""+title+"
\n"+
"Session Information using HTTP
session Interface
\n"+
"\n"+
"\n"+
"| session info | value | "+
"
\n"+
"\n"+
"| id | \n"+
""+session.getId()+" | "+
"
\n"+
"\n"+
"| Creation time | \n"+
""+createTime+" | "+
""+
"
\n"+
"| Time of last access | \n"+
""+lastAccessTime+" | "+
"
\n"+
"\n"+
"| User ID | \n"+
""+userID+" | "+
"
\n"+
"\n"+
"| Number of visits | \n"+
""+visitCount+" | "+
"
\n"+
"
\n"+
""+"");
}
}